/Engine/Source/Editor/UnrealEd/Public/EditorViewportTabContent.h
Represents the content in a viewport tab in an editor. EachSDockTabholding viewports in an editor contains and owns one of these.
class FEditorViewportTabContent : public [FViewportTabContent](API\Editor\EditorFramework\FViewportTabContent), public [TSharedFromThis< FEditorViewportTabContent >](API\Runtime\Core\Templates\TSharedFromThis)